LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 1982 >> Magnavan Standard Trans >> Repair and Diagnosis >> Engine Mechanical >> Fuel System >> ROCHESTER Models M4MC & M4ME 4-Barrel >> Adjustment >> Secondary Throttle Valve Lockout >> Lockout Lever Opening Clearance

Lockout Lever Opening Clearance

  1. Push down on tail of fast idle cam to completely open choke valve.
  2. Measure secondary throttle valve lockout lever opening clearance between end of pin and toe of lockout lever. See Fig 1.
  3. File end of lockout pin to obtain clearance of.015". Make sure all burrs are removed.
    Fig 1: Secondary Throttle Valve Lockout Adjustments
    G09360552Courtesy of GENERAL MOTORS COMPANY

    Both steps must be done to perform adjustment. 

scientia non olet · About LEMON Manuals